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Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r266-tall-174931350100121
Last Updated
June 24, 2025

About the Execution of 2024-gold for CopsAndRobbers-PT-CRL025X003

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
15693.130 31080.00 40104.00 254.80 T normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r266-tall-174931350100121.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is CopsAndRobbers-PT-CRL025X003, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r266-tall-174931350100121
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 624K
-rw-r--r-- 1 mcc users 9.0K Jun 6 08:57 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Jun 6 08:57 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Jun 6 08:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Jun 6 08:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.0K Jun 6 13:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Jun 6 13:16 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Jun 6 13:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Jun 6 13:16 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 16K Jun 6 08:58 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 128K Jun 6 08:58 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Jun 6 08:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K Jun 6 08:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Jun 6 13:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Jun 6 13:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 equiv_col
-rw-r--r-- 1 mcc users 11 Jun 5 20:08 instance
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 iscolored
-rw-r--r-- 1 mcc users 137K Jun 5 20:08 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1749319107224

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CopsAndRobbers-PT-CRL025X003
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-07 17:58:28] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2025-06-07 17:58:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 17:58:28] [INFO ] Load time of PNML (sax parser for PT used): 65 ms
[2025-06-07 17:58:28] [INFO ] Transformed 135 places.
[2025-06-07 17:58:28] [INFO ] Transformed 179 transitions.
[2025-06-07 17:58:28] [INFO ] Parsed PT model containing 135 places and 179 transitions and 834 arcs in 154 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 4 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 3 ms.19411KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 135/135 places, 179/179 transitions.
Computed a total of 4 stabilizing places and 51 stable transitions
Graph (complete) has 810 edges and 135 vertex of which 110 are kept as prefixes of interest. Removing 25 places using SCC suffix rule.5 ms
Discarding 25 places :
Also discarding 0 output transitions
Computed a total of 4 stabilizing places and 51 stable transitions
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 110 transition count 178
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 109 transition count 178
Computed a total of 4 stabilizing places and 51 stable transitions
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 108 transition count 177
Computed a total of 4 stabilizing places and 51 stable transitions
Computed a total of 4 stabilizing places and 51 stable transitions
Applied a total of 5 rules in 63 ms. Remains 108 /135 variables (removed 27) and now considering 177/179 (removed 2) transitions.
Running 127 sub problems to find dead transitions.
// Phase 1: matrix 177 rows 108 cols
[2025-06-07 17:58:28] [INFO ] Computed 28 invariants in 14 ms
[2025-06-07 17:58:28] [INFO ] State equation strengthened by 50 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/106 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (OVERLAPS) 2/108 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (OVERLAPS) 177/285 variables, 108/136 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 50/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/285 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 8 (OVERLAPS) 0/285 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
No progress, stopping.
After SMT solving in domain Real declared 285/285 variables, and 186 constraints, problems are : Problem set: 0 solved, 127 unsolved in 6370 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 108/108 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 127 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/106 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (OVERLAPS) 2/108 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (OVERLAPS) 177/285 variables, 108/136 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 50/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/285 variables, 127/313 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/285 variables, and 313 constraints, problems are : Problem set: 0 solved, 127 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 108/108 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 0/0 constraints]
After SMT, in 26573ms problems are : Problem set: 0 solved, 127 unsolved
Search for dead transitions found 0 dead transitions in 26590ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 26692 ms. Remains : 108/135 places, 177/179 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1256 ms (no deadlock found). (steps per millisecond=995 )
Random directed walk for 1250000 steps, including 0 resets, run took 1231 ms (no deadlock found). (steps per millisecond=1015 )
[2025-06-07 17:58:57] [INFO ] Invariant cache hit.
[2025-06-07 17:58:57] [INFO ] [Real]Absence check using 27 positive place invariants in 5 ms returned sat
[2025-06-07 17:58:57] [INFO ] [Real]Absence check using 27 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-07 17:58:57] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2025-06-07 17:58:57] [INFO ] Solution in real domain found non-integer solution.
[2025-06-07 17:58:58] [INFO ] [Nat]Absence check using 27 positive place invariants in 5 ms returned sat
[2025-06-07 17:58:58] [INFO ] [Nat]Absence check using 27 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-07 17:58:58] [INFO ] [Nat]Absence check using state equation in 60 ms returned sat
[2025-06-07 17:58:58] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-07 17:58:58] [INFO ] [Nat]Added 50 Read/Feed constraints in 14 ms returned sat
[2025-06-07 17:58:58] [INFO ] Computed and/alt/rep : 75/225/75 causal constraints (skipped 52 transitions) in 17 ms.
[2025-06-07 17:58:58] [INFO ] Added : 1 causal constraints over 1 iterations in 56 ms. Result :sat
Interrupted Parikh directed walk after 8 steps, including 0 resets, run found a deadlock after 1 ms. (steps per millisecond=8 )
FORMULA ReachabilityDeadlock TRUE TECHNIQUES TOPOLOGICAL STRUCTURAL_REDUCTION RANDOM_WALK
Total runtime 29793 ms.
ITS solved all properties within timeout

BK_STOP 1749319138304

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityDeadlock -timeout 180 -rebuildPNML

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="CopsAndRobbers-PT-CRL025X003"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="gold2024"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool gold2024"
echo " Input is CopsAndRobbers-PT-CRL025X003, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r266-tall-174931350100121"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CopsAndRobbers-PT-CRL025X003.tgz
mv CopsAndRobbers-PT-CRL025X003 execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "ReachabilityDeadlock.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;